This is the 157th most frequent Japanese word.
時代
"Era" or "period."
In this sentence, 「時代」 refers to an era or historical period.
明治時代には、多くの改革が行われました。
In the Meiji period, many reforms were carried out.
Here, 「時代」 indicates the progression or flow of time and societal trends.
時代の流れに合わせて技術が進化してきた。
Technology has evolved in line with the flow of the times.
In this usage, 「時代」 denotes a specific historic timeframe or cultural context.